docker/apache2-foreground

41 lines
1.3 KiB
Bash

#!/bin/bash
set -e
# Note: we don't just use "apache2ctl" here because it itself is just a shell-script wrapper around apache2 which provides extra functionality like "apache2ctl start" for launching apache2 in the background.
# (also, when run as "apache2ctl <apache args>", it does not use "exec", which leaves an undesirable resident shell process)
: "${APACHE_CONFDIR:=/etc/apache2}"
: "${APACHE_ENVVARS:=$APACHE_CONFDIR/envvars}"
if test -f "$APACHE_ENVVARS"; then
. "$APACHE_ENVVARS"
fi
# Apache gets grumpy about PID files pre-existing
: "${APACHE_RUN_DIR:=/var/run/apache2}"
: "${APACHE_PID_FILE:=$APACHE_RUN_DIR/apache2.pid}"
rm -f "$APACHE_PID_FILE"
# create missing directories
# (especially APACHE_RUN_DIR, APACHE_LOCK_DIR, and APACHE_LOG_DIR)
for e in "${!APACHE_@}"; do
if [[ "$e" == *_DIR ]] && [[ "${!e}" == /* ]]; then
# handle "/var/lock" being a symlink to "/run/lock", but "/run/lock" not existing beforehand, so "/var/lock/something" fails to mkdir
# mkdir: cannot create directory '/var/lock': File exists
dir="${!e}"
while [ "$dir" != "$(dirname "$dir")" ]; do
dir="$(dirname "$dir")"
if [ -d "$dir" ]; then
break
fi
absDir="$(readlink -f "$dir" 2>/dev/null || :)"
if [ -n "$absDir" ]; then
mkdir -p "$absDir"
fi
done
mkdir -p "${!e}"
fi
done
exec apache2 -DFOREGROUND "$@"